نتایج جستجو برای: as spring turns to summer

تعداد نتایج: 11433897  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - پژوهشکده زبانشناسی 1389

a professional is someone whose work involves performing a certain function with some degree of expertise. but a narrower definition limits the term to apply to people such as teachers and doctors, whose expertise involves not only skill and knowledge but also the exercise of highly sophisticated judgment, and whose accreditation necessitates extensive study, often university-based as well as p...

Journal: :معماری و شهرسازی 0
شاهین حیدری دانشیار گروه تکنولوژی، دانشکده معماری، پردیس هنرهای زیبا، دانشگاه تهران مهدی عینی فر دانشجوی کارشناسی ارشد معماری، دانشکده معماری، پردیس بین المللی کیش، دانشگاه تهران

the functions of shelters are basically the same everywhere: to avoid extreme weather and to provide shelter for a comfortable living and working environment; but the designs and processes for those in different climates are significantly different. to live in the tropical area, olgyay stated two major problems the habitants have to be prepared for: the avoidance of excessive solar radiation an...

2017
V. J. Tepedino F. D. Parker

Data on offspring production by the alfalfa leafcutting bee, Megachile rotundata (F.), from three site-years were used to examine predictions of parental investment and sex ratio theory. In northern Utah, spring-emergent adults produce two types of offspring: those that develop directly to the adult stage and emerge in midsummer, and those that develop to the prepupal stage and enter diapause u...

پایان نامه :0 1374

the present study investigated the effect of the two vocabulary teaching techniques in est, namely the use of translation and the use of visual aids as two separate vocabulary teaching techniques. to answer the question of the study, a pretest (michigan test) was administered to the 58 randomly selected est students at khajeh nasiredin tusi university, faculty of mechanics. after the homogeneit...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Sebastian Wolf Trevor F Keenan Joshua B Fisher Dennis D Baldocchi Ankur R Desai Andrew D Richardson Russell L Scott Beverly E Law Marcy E Litvak Nathaniel A Brunsell Wouter Peters Ingrid T van der Laan-Luijkx

The global terrestrial carbon sink offsets one-third of the world's fossil fuel emissions, but the strength of this sink is highly sensitive to large-scale extreme events. In 2012, the contiguous United States experienced exceptionally warm temperatures and the most severe drought since the Dust Bowl era of the 1930s, resulting in substantial economic damage. It is crucial to understand the dyn...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

seismic retrofit strategies have been developed in the past few decades following the introduction of new seismic provisions and the availability of advanced materials and methods. it can be observed that new approaches to deal with more lateral forces are more innovative and more energy absorbent. in line with this, there is a growing trend toward the use of steel shear walls as a system with ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...

Journal: :Journal of economic entomology 2015
Aaron D Esser Ivan Milosavljević David W Crowder

Soil-dwelling insects are severe pests in many agroecosystems. These pests have cryptic life cycles, making sampling difficult and damage hard to anticipate. The management of soil insects is therefore often based on preventative insecticides applied at planting or cultural practices. Wireworms, the subterranean larvae of click beetles (Coleoptera: Elateridae), have re-emerged as problematic pe...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2013
elham zeinali mehdi rahimmalek

background & aim: achillea filipendulina is one of the most important species of the family asteraceae and, it considered as one of the most valuable medicinal and ornamental plants. environmental factors affected on quality and quantity of the essential oil of medicinal and aromatic plants. so, selecting of appropriate season for harvesting can lead to increase quality and quantity yield. ...

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